the end of the investment period. 2. Gross profit : The total gross profit of the 3rd quarter of year 2019 was Baht 108.66 million representing an decreased of Baht 23.10 million or 26.99% of the total

decrease was derived from the engineering service. • Overall gross profit margin increased from 11.9% to 13.8% at the same amount Baht 53 million. 2020 2019 Revenue 382 443 (61) -14% Cost 329 390 Gross

) due to the outbreak of COVID-19 and typically, in quarter 4 is the best selling period in every year. Gross profit margin Gross profit margin in the first quarter of 2020 was Baht 336 million, increased

) (6.13) - (18.63) (18.63) Finance costs (30.84) (17.11) (62.68) (33.34) SHARE OF LOSS OF INVESTMENTS IN JOINTLY CONTROLLED ENTITIES ON EQUITY METHOD (0.11) (1.47) (0.12) (2.04) PROFIT (LOSS) BEFORE TAX

Expenses (9,529) (10,050) (143) (174) (9,672) (10,224) (552) (5%) Share of Profit (Loss) 1,549 1,652 4 (9) 1,553 1,643 (90) (5%) Operating profit (loss)* 2,466 2,619 (21) (25) 2,445 2,594 (149) (6%) Impact

profits rate from the previous year because of the increase of the Company’s profit capacity. Although, the Company incurred the increased selling and administration expenses comparing to the same period of

, the Company slightly increased its EBITDA profits rate from the previous year because of the increase of the Company’s profit capacity. Although, the Company incurred the increased selling and

of March 31, 2023, which can be summarized as follows: 1) Profit & Loss Analysis : Q1 2023 (3 Months) (Unit : Million Baht unless otherwise stated) Q1 2023 Q1 2022 Change Amount % Change Total Revenues

profit at 510.8 million baht, decreased from the first quarter of year 2018 by 208.5 million baht or 29.0 percent of which profit attributable to the equity holder of the Company was 504.3 million baht

percent and 2.8 percent respectively. However, revenue from airport-related services and unallocated revenue rose by 11.6 percent and 35.0 percent respectively. The Company reported net profit at 510.8